Linear wall drain



FIG. 1 is a rear isometric view of a linear wall drain in accordance with the new design;

FIG. 2 is a front isometric view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in FIG. 8 illustrate portions of the linear wall drain that form no part of the claim. 

CLAIM The ornamental design for a linear wall drain, as shown and described. 